package java4;

public class Code040 {
	public static void main(String[] args) {
		int score = 70;
		if(score>=90){
			System.out.println("优秀");
		}
		else if(score>=80){
			System.out.println("良好");
	}
		else if(score>=60){
			System.out.println("中等");
	}	
		else {
			System.out.println("差");
	}
	}

}
